#!/bin/sh
# Ensure that ls -l works on files with nameless uid and/or gid

# Copyright (C) 2006 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.

if test "$VERBOSE" = yes; then
  set -x
  ls --version
fi

. $srcdir/../envvar-check
. $srcdir/../lang-default
PRIV_CHECK_ARG=require-root . $srcdir/../priv-check

$PERL -e 1 > /dev/null 2>&1 || {
  echo 1>&2 "$0: configure didn't find a usable version of Perl," \
    "so can't run this test"
  (exit 77); exit 77
}

nameless_uid=`$PERL -e 'foreach my $i (1000..16*1024) { getpwuid $i or (print "$i\n"), exit }'`

if test x$nameless_uid = x; then
  echo "$0: couldn't find a nameless UID" 1>&2
  (exit 77); exit 77
fi

pwd=`pwd`
t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$
trap 'status=$?; cd "$pwd" && chmod -R u+rwx $t0 && rm -rf $t0 && exit $status' 0
trap '(exit $?); exit $?' 1 2 13 15

framework_failure=0
mkdir -p $tmp || framework_failure=1
cd $tmp || framework_failure=1

touch f || framework_failure=1
chown $nameless_uid f || framework_failure=1

if test $framework_failure = 1; then
  echo "$0: failure in testing framework" 1>&2
  (exit 1); exit 1
fi

fail=0

set -- `ls -o f` || fail=1
test $3 = $nameless_uid || fail=1

(exit $fail); exit $fail
